Patent EP0161491A1 successfully refreshed from Google Patents.
US2862646A
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US
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Powder particle aerosol generator
Assignee: Xerox Corp
•
Filing: 1955-02-18
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Granted: 1958-12-02
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Richard E Hayford
- 👤 Carl B Kaiser
- 👤 Herbert E Crumrine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:10
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803; Y; Y10; Y10S; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA474737A
Cited
US906176A
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US2217247A
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US1929200A
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US1893955A
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US2123537A
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US2152500A
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US2549033A
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US2604416A
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US2573881A
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US2645529A
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US2725304A
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US2738234A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |